./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e091116155bef94531c8dcf2197eb34bed5ec812 ............................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:44:48,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:48,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:48,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:48,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:48,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:48,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:48,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:48,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:48,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:48,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:48,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:48,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:48,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:48,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:48,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:48,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:48,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:48,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:48,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:48,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:48,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:48,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:48,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:48,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:48,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:48,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:48,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:48,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:48,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:48,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:48,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:48,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:48,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:48,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:48,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:48,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:48,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:48,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:48,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:48,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:48,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:48,499 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:48,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:48,500 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:48,500 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:48,501 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:48,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:48,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:48,502 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:48,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:48,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:48,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:48,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:48,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:48,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:48,503 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:48,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:48,504 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:48,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:48,504 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:48,504 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:48,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:48,505 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:48,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:48,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:48,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:48,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:48,506 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:48,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:48,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:48,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e091116155bef94531c8dcf2197eb34bed5ec812 [2020-11-28 04:44:48,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:48,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:48,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:48,768 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:48,771 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:48,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2020-11-28 04:44:48,852 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/data/44d2ae40d/259efccd8647487e882cb141f96e2cb2/FLAGdcfe02991 [2020-11-28 04:44:49,378 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:49,379 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2020-11-28 04:44:49,394 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/data/44d2ae40d/259efccd8647487e882cb141f96e2cb2/FLAGdcfe02991 [2020-11-28 04:44:49,694 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/data/44d2ae40d/259efccd8647487e882cb141f96e2cb2 [2020-11-28 04:44:49,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:49,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:49,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:49,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:49,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:49,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:49" (1/1) ... [2020-11-28 04:44:49,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7d0e23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:49, skipping insertion in model container [2020-11-28 04:44:49,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:49" (1/1) ... [2020-11-28 04:44:49,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:49,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:50,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:50,096 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:50,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:50,225 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:50,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50 WrapperNode [2020-11-28 04:44:50,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:50,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:50,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:50,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:50,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2020-11-28 04:44:50,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2020-11-28 04:44:50,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:50,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:50,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:50,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:50,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2020-11-28 04:44:50,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2020-11-28 04:44:50,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2020-11-28 04:44:50,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2020-11-28 04:44:50,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2020-11-28 04:44:50,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2020-11-28 04:44:50,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... [2020-11-28 04:44:50,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:50,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:50,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:50,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:50,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:44:50,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:44:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:44:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:44:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:44:50,443 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:44:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:44:50,443 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:44:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:44:50,444 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:44:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:50,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:52,080 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:52,080 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-11-28 04:44:52,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:52 BoogieIcfgContainer [2020-11-28 04:44:52,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:52,083 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:52,083 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:52,094 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:52,094 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:52" (1/1) ... [2020-11-28 04:44:52,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:52,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:52,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2020-11-28 04:44:52,157 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2020-11-28 04:44:52,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:44:52,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:52,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2020-11-28 04:44:52,574 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2020-11-28 04:44:52,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:44:52,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:52,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:52,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 51 transitions. [2020-11-28 04:44:52,720 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2020-11-28 04:44:52,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:44:52,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:52,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:53,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 77 transitions. [2020-11-28 04:44:53,390 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2020-11-28 04:44:53,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-28 04:44:53,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:53,521 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:53,622 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:53,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:53,981 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:54,075 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2020-11-28 04:44:54,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:54 ImpRootNode [2020-11-28 04:44:54,206 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:54,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:54,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:54,207 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:54,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:52" (3/4) ... [2020-11-28 04:44:54,212 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:44:54,337 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9f1c4e37-580f-4c3b-ac6e-8a4ad94dc2ee/bin/ukojak/witness.graphml [2020-11-28 04:44:54,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:54,341 INFO L168 Benchmark]: Toolchain (without parser) took 4643.25 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 56.4 MB in the beginning and 49.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:54,342 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 88.1 MB. Free memory was 44.7 MB in the beginning and 44.7 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:54,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 523.47 ms. Allocated memory is still 88.1 MB. Free memory was 56.0 MB in the beginning and 56.5 MB in the end (delta: -507.1 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:54,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.76 ms. Allocated memory is still 88.1 MB. Free memory was 56.5 MB in the beginning and 54.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:54,344 INFO L168 Benchmark]: Boogie Preprocessor took 65.55 ms. Allocated memory is still 88.1 MB. Free memory was 54.1 MB in the beginning and 52.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:54,344 INFO L168 Benchmark]: RCFGBuilder took 1732.78 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.4 MB in the beginning and 70.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:54,345 INFO L168 Benchmark]: CodeCheck took 2123.01 ms. Allocated memory is still 107.0 MB. Free memory was 70.7 MB in the beginning and 59.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:54,345 INFO L168 Benchmark]: Witness Printer took 132.68 ms. Allocated memory is still 107.0 MB. Free memory was 59.1 MB in the beginning and 49.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:54,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 6 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 156 SDtfs, 44 SDslu, 68 SDs, 0 SdLazy, 78 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 1824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L226] int pumpRunning = 0; [L227] int systemActive = 1; [L591] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L788] int waterLevel = 1; [L789] int methaneLevelCritical = 0; [L123] int retValue_acc ; [L124] int tmp ; [L413] int retValue_acc ; [L416] retValue_acc = 1 [L417] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L156] int splverifierCounter ; [L157] int tmp ; [L158] int tmp___0 ; [L159] int tmp___1 ; [L160] int tmp___2 ; [L163] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L165] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L167] COND TRUE splverifierCounter < 4 [L173] tmp = __VERIFIER_nondet_int() [L175] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L177] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L806] COND TRUE waterLevel < 2 [L807] waterLevel = waterLevel + 1 [L177] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L183] tmp___0 = __VERIFIER_nondet_int() [L185] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L193] tmp___2 = __VERIFIER_nondet_int() [L195] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L208] CALL timeShift() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND FALSE !(\read(pumpRunning)) [L241] COND TRUE \read(systemActive) [L354] int tmp ; [L355] int tmp___0 ; [L356] int tmp___1 ; VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L360] CALL, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L827] int retValue_acc ; [L830] retValue_acc = methaneLevelCritical [L831] return (retValue_acc); [L360] RET, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L360] tmp = isMethaneLevelCritical() [L362] COND FALSE !(\read(tmp)) [L859] int retValue_acc ; [L862] retValue_acc = waterLevel [L863] return (retValue_acc); [L366] tmp___0 = getWaterLevel() [L368] COND TRUE tmp___0 == 2 [L307] int retValue_acc ; [L310] retValue_acc = pumpRunning [L311] return (retValue_acc); [L370] tmp___1 = isPumpRunning() [L372] COND FALSE !(\read(tmp___1)) VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product09.cil.c", 3, "reach_error") VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 88.1 MB. Free memory was 44.7 MB in the beginning and 44.7 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 523.47 ms. Allocated memory is still 88.1 MB. Free memory was 56.0 MB in the beginning and 56.5 MB in the end (delta: -507.1 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 55.76 ms. Allocated memory is still 88.1 MB. Free memory was 56.5 MB in the beginning and 54.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.55 ms. Allocated memory is still 88.1 MB. Free memory was 54.1 MB in the beginning and 52.5 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1732.78 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 52.4 MB in the beginning and 70.7 MB in the end (delta: -18.3 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * CodeCheck took 2123.01 ms. Allocated memory is still 107.0 MB. Free memory was 70.7 MB in the beginning and 59.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.1 MB. Max. memory is 16.1 GB. * Witness Printer took 132.68 ms. Allocated memory is still 107.0 MB. Free memory was 59.1 MB in the beginning and 49.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...